¹⁷ For the sinful nature has its desire which is opposed to the Spirit, and the [desire of the] Spirit opposes the ^[a]sinful nature; for these [two, the sinful nature and the Spirit] are in direct opposition to each other [continually in conflict], so that you [as believers] do not [always] do whatever [good things] you want to do.

The Conflict of Two Natures

¹⁴ We know that the Law is spiritual, but I am a creature of the flesh [worldly, self-reliant—carnal and unspiritual], sold into slavery to sin [and serving under its control]. ¹⁵ For I do not understand my own actions [I am baffled and bewildered by them]. I do not practice what I want to do, but I am doing the very thing I hate [and yielding to my human nature, my worldliness—my sinful capacity]. ¹⁶ Now if I habitually do what I do not want to do, [that means] I agree with the Law, confessing that it is good (morally excellent). ¹⁷ So now [if that is the case, then] it is no longer I who do it [the disobedient thing which I despise], but the sin [nature] which lives in me. ¹⁸ For I know that nothing good lives in me, that is, in my flesh [my human nature, my worldliness—my sinful capacity]. For the willingness [to do good] is present in me, but the doing of good is not. ¹⁹ For the good that I want to do, I do not do, but I practice the very evil that I do not want. ²⁰ But if I am doing the very thing I do not want to do, I am no longer the one doing it [that is, it is not me that acts], but the sin [nature] which lives in me.

²¹ So I find it to be the law [of my inner self], that evil is present in me, the one who wants to do good. ²² For I joyfully delight in the law of God in my inner self [with my new nature],^{(A) 23} but I see a different law and rule of action in the members of my body [in its appetites and desires], waging war against the law of my mind and subduing me and making me a prisoner of the law of sin which is within my members. ²⁴ Wretched and miserable man that I am! Who will [rescue me and] set me free from this body of death [this corrupt, mortal existence]? ²⁵ Thanks be to God [for my deliverance] through Jesus Christ our Lord! So then, on the one hand I myself with my mind serve the law of God, but on the other, with my flesh [my human nature, my worldliness, my sinful capacity—I serve] the law of sin.

⁴¹ Keep actively watching and praying that you may not come into temptation; the spirit is willing, but the ^[a]body is weak.”

⁶³ It is the Spirit who gives life; the flesh conveys no benefit [it is of no account]. The words I have spoken to you are spirit and life [providing eternal life].

²³ And He was saying to them all, “If anyone wishes to follow Me [as My disciple], he must deny himself [set aside selfish interests], and take up his cross daily [expressing a willingness to endure whatever may come] and follow Me [believing in Me, conforming to My example in living and, if need be, suffering or perhaps dying because of faith in Me].